//
//  ViewController.h
//  CaseTool
//
//  Created by 曾泽昱 on 2024/7/11.
//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

- (IBAction)textFiled;

- (IBAction)upperCase:(id)sender;
- (IBAction)lowerCase:(id)sender;
@end

